Commit | Line | Data |
---|---|---|
de0d6dbd AD |
1 | /* |
2 | * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | */ | |
14 | ||
15 | #ifndef __W1_H | |
16 | #define __W1_H | |
17 | ||
18 | #include <linux/w1.h> | |
19 | ||
20 | #include <linux/completion.h> | |
21 | #include <linux/mutex.h> | |
22 | ||
23 | #define W1_SLAVE_ACTIVE 0 | |
24 | #define W1_SLAVE_DETACH 1 | |
25 | ||
26 | /** | |
27 | * struct w1_async_cmd - execute callback from the w1_process kthread | |
28 | * @async_entry: link entry | |
29 | * @cb: callback function, must list_del and destroy this list before | |
30 | * returning | |
31 | * | |
32 | * When inserted into the w1_master async_list, w1_process will execute | |
33 | * the callback. Embed this into the structure with the command details. | |
34 | */ | |
35 | struct w1_async_cmd { | |
36 | struct list_head async_entry; | |
37 | void (*cb)(struct w1_master *dev, struct w1_async_cmd *async_cmd); | |
38 | }; | |
39 | ||
40 | int w1_create_master_attributes(struct w1_master *master); | |
41 | void w1_destroy_master_attributes(struct w1_master *master); | |
42 | void w1_search(struct w1_master *dev, u8 search_type, | |
43 | w1_slave_found_callback cb); | |
44 | void w1_search_devices(struct w1_master *dev, u8 search_type, | |
45 | w1_slave_found_callback cb); | |
46 | /* call w1_unref_slave to release the reference counts w1_search_slave added */ | |
47 | struct w1_slave *w1_search_slave(struct w1_reg_num *id); | |
48 | /* | |
49 | * decrements the reference on sl->master and sl, and cleans up if zero | |
50 | * returns the reference count after it has been decremented | |
51 | */ | |
52 | int w1_unref_slave(struct w1_slave *sl); | |
53 | void w1_slave_found(struct w1_master *dev, u64 rn); | |
54 | void w1_search_process_cb(struct w1_master *dev, u8 search_type, | |
55 | w1_slave_found_callback cb); | |
56 | struct w1_slave *w1_slave_search_device(struct w1_master *dev, | |
57 | struct w1_reg_num *rn); | |
58 | struct w1_master *w1_search_master_id(u32 id); | |
59 | ||
60 | /* Disconnect and reconnect devices in the given family. Used for finding | |
61 | * unclaimed devices after a family has been registered or releasing devices | |
62 | * after a family has been unregistered. Set attach to 1 when a new family | |
63 | * has just been registered, to 0 when it has been unregistered. | |
64 | */ | |
65 | void w1_reconnect_slaves(struct w1_family *f, int attach); | |
66 | int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn); | |
67 | /* 0 success, otherwise EBUSY */ | |
68 | int w1_slave_detach(struct w1_slave *sl); | |
69 | ||
70 | void __w1_remove_master_device(struct w1_master *dev); | |
71 | ||
72 | void w1_family_put(struct w1_family *f); | |
73 | void __w1_family_get(struct w1_family *f); | |
74 | struct w1_family *w1_family_registered(u8 fid); | |
75 | ||
76 | extern struct device_driver w1_master_driver; | |
77 | extern struct device w1_master_device; | |
78 | extern int w1_max_slave_count; | |
79 | extern int w1_max_slave_ttl; | |
80 | extern struct list_head w1_masters; | |
81 | extern struct mutex w1_mlock; | |
82 | extern spinlock_t w1_flock; | |
83 | ||
84 | int w1_process_callbacks(struct w1_master *dev); | |
85 | int w1_process(void *data); | |
86 | ||
87 | #endif /* __W1_H */ |